1.
The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that
2.
A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to
3.
In the case of an unsymmetrical alternating current the average value must always be taken over
4.
Time constant of an inductive circuit
5.
Capacitive susceptance is a measure of